yes, it's g-u-r-d-o-n. >> i want to call him gordon, i'm sorry. used frog cells to create new tad poles. last week japanese scientists used yamanaka's approach to use mice cells to produce baby mice. >> on the screen it's different. >> i made it funny with -- >> tell us which is correct. we have it two different ways. competely different. >> let's talk about john. >> let's talk about john. >> the same work, however, the year that yamanaka was born was the first time john gurdon came up with this. they worked on it independently. you can tell this work has been going on for a long time. congratulations to both of them. >> boeing of them. >>> a letter written by albert einstein is being told on ebay. starting price, $3 million. seems high. it was written in 1954 and addressed to a philosophyer, eric gutman. i got my name. he discusses his views on religion. the auction closes october 18th. >> do you think $3 million is high? >> seems like it. are his letters at that rare? >> seems strange, because there was that beatles print, was it a print only go